steel casting

例句：

1. 1. The steel casting isbeing tested for strength and durability.
   这个钢铸件正在测试强度和耐用性。
2. 2. Steelcastings are often used in industrial machinery.
   钢铸件常用于工业机械中。
3. 3. Theengineer carefully poured the steel casting into themold.
   工程师小心翼翼地将钢铸件倒入模具中。